The Power of 1%: Why Small Differences Matter in Retirement

In retirement the investing rules change from your working years. The focus shifts from wealth accumulation to ensuring your capital can sustain your lifestyle for life.

Retirement Reality

During retirement, investors typically withdraw around 5% per year while needing returns that keep up with inflation of approximately 6%–7%. Combined, this means portfolios need to target returns of around 10%–12% to remain sustainable.

Required Portfolio Return Breakdown

• Income withdrawal: ~5%
  • Inflation: ~6%–7%
  • Required long-term return: ~10%–12%

The Hidden Risk of Being Too Conservative

Many retirees move heavily into cash to reduce volatility. However, this introduces the risk of slowly eroding purchasing power over time.

If a portfolio earns 6.5% and withdrawals are 5%, very little real growth remains once inflation is considered.

Cash vs Diversified Portfolios

Cash-heavy portfolios often struggle to outpace inflation, while diversified portfolios have a better chance of sustaining income over time.

The Compounding Power of 1%

A small 1% difference in return can create a significant difference over time due to compounding effects.

Example: R20 million invested with a 5% withdrawal rate shows a large difference between 6.5% and 7.5% returns over 20 years.

Portfolio Longevity

The sustainability of a retirement portfolio is highly sensitive to returns achieved.

Higher returns significantly extend portfolio longevity, which is critical for retirements lasting 25–30 years.

Volatility vs Real Risk

Volatility is often misunderstood. The real risks in retirement are not short-term market movements, but long-term outcomes such as running out of money or losing purchasing power.

Why Asset Allocation Matters

A balanced portfolio typically includes equities, bonds, property, and alternative investments to ensure growth and income stability over time.

30-Year Retirement Insight

Even small differences in returns significantly affect outcomes over long retirement periods, especially when combined with inflation-linked income increases.

Key Takeaway

In retirement planning, a 1% difference is never just 1% — it can determine whether a portfolio lasts or fails.

Feel free to contact us should you need any advice regarding your portfolio.

Kind regards

Fanie van Wyk